3425-5. Using the driving support systems
If vehicle-to-vehicle distance control
mode is automatically canceled for any
reasons other than the above, there
may be a malfunction in the system.
Contact any authorized Toyota retailer
or Toyota authorized repairer, or any
reliable repairer.
QAutomatic cancelation of constant
speed control mode
Constant speed control mode is auto-
matically canceled in the following situa-
tions:
OActual vehicle speed is more than
approximately 16 km/h (10 mph)
below the set vehicle speed.
OActual vehicle speed falls below
approximately 30 km/h (20 mph).
OVSC is activated.
OTRC is activated for a period of time.
OWhen the VSC or TRC system is
turned off.
OWhen the brake control or output
restriction control of a driving support
system operates.
(For example: Pre-Collision System,
Drive-Start Control)
OThe parking brake is operated.
If constant speed control mode is auto-
matically canceled for any reasons other
than the above, there may be a malfunc-
tion in the system. Contact any autho-
rized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer.
QThe Dynamic Radar Cruise Control
with Road Sign Assist may not
operate properly when (vehicles
with RSA)
As the Dynamic Radar Cruise Control
with Road Sign Assist may not operate
properly in conditions in which RSA may
not operate or detect correctly
(P.331), when using this function,
make sure to check the speed limit sign
displayed.In the following situations, the set speed
may not be changed to the recognized
speed limit by pressing and holding the
“+RES”/“-SET” switch.
OIf speed limit information is not avail-
able
OWhen the recognized speed limit is
the same as the set speed
OWhen the recognized speed limit is
outside of the speed range that the
dynamic radar cruise control system
can operate
QBrake operation
A brake operation sound may be heard
and the brake pedal response may
change, but these are not malfunctions.
QWarning messages and buzzers for
dynamic radar cruise control with
full-speed range
Warning messages and buzzers are
used to indicate a system malfunction or
to inform the driver of the need for cau-
tion while driving. If a warning message
is shown on the multi-information dis-
play, read the message and follow the
instructions. (P.309, 518)
QWhen the sensor may not be cor-
rectly detecting the vehicle ahead
In the case of the following and depend-
ing on the conditions, operate the brake
pedal when deceleration of the system
is insufficient or operate the accelerator
pedal when acceleration is required.
As the sensor may not be able to cor-
rectly detect these types of vehicles, the
approach warning (P.339) may not be
activated.
OVehicles that cut in suddenly
OVehicles traveling at low speeds
OVehicles that are not moving in the
same lane
OVehicles with small rear ends (trailers
with no load on board, etc.)